package net.minecraft.src;

import net.minecraft.src.IInventory;
import net.minecraft.src.ItemStack;

public class Slot {

   private final int slotIndex;
   private final IInventory inventory;
   public int slotNumber;
   public int xDisplayPosition;
   public int yDisplayPosition;


   public Slot(IInventory var1, int var2, int var3, int var4) {
      super();
      this.inventory = var1;
      this.slotIndex = var2;
      this.xDisplayPosition = var3;
      this.yDisplayPosition = var4;
   }

   public void onPickupFromSlot(ItemStack var1) {
      this.onSlotChanged();
   }

   public boolean isItemValid(ItemStack var1) {
      return true;
   }

   public ItemStack getStack() {
      return this.inventory.getStackInSlot(this.slotIndex);
   }

   public boolean getHasStack() {
      return this.getStack() != null;
   }

   public void putStack(ItemStack var1) {
      this.inventory.setInventorySlotContents(this.slotIndex, var1);
      this.onSlotChanged();
   }

   public void onSlotChanged() {
      this.inventory.onInventoryChanged();
   }

   public int getSlotStackLimit() {
      return this.inventory.getInventoryStackLimit();
   }

   public int getBackgroundIconIndex() {
      return -1;
   }

   public ItemStack decrStackSize(int var1) {
      return this.inventory.decrStackSize(this.slotIndex, var1);
   }
}
